diff --git a/examples/vite-core/vite.config.ts b/examples/vite-core/vite.config.ts
index 9d32eae..a03934d 100644
--- a/examples/vite-core/vite.config.ts
+++ b/examples/vite-core/vite.config.ts
@@ -16,5 +16,6 @@ export default defineConfig({
   build: {
     target: 'esnext',
     sourcemap: true,
+    minify: false,
   },
 })
diff --git a/packages/core-web/src/FedimintWallet.ts b/packages/core-web/src/FedimintWallet.ts
index d2b8280..c28d943 100644
--- a/packages/core-web/src/FedimintWallet.ts
+++ b/packages/core-web/src/FedimintWallet.ts
@@ -56,7 +56,7 @@ export class FedimintWallet {
     this.openPromise = new Promise((resolve) => {
       this.resolveOpen = resolve
     })
-    this.client = new WorkerClient(new URL('worker.js', import.meta.url))
+    this.client = new WorkerClient()
     this.mint = new MintService(this.client)
     this.lightning = new LightningService(this.client)
     this.balance = new BalanceService(this.client)
diff --git a/packages/core-web/src/transport/WorkerClient.ts b/packages/core-web/src/transport/WorkerClient.ts
index ef5d561..e340df5 100644
--- a/packages/core-web/src/transport/WorkerClient.ts
+++ b/packages/core-web/src/transport/WorkerClient.ts
@@ -14,8 +14,11 @@ export class WorkerClient {
   private requestCallbacks = new Map<number, (value: any) => void>()
   private initPromise: Promise<void> | null = null
 
-  constructor(workerUrl: URL) {
-    this.worker = new Worker(workerUrl, { type: 'module' })
+  constructor() {
+    // Must create the URL inside the constructor for vite
+    this.worker = new Worker(new URL('./worker.js', import.meta.url), {
+      type: 'module',
+    })
     this.worker.onmessage = this.handleWorkerMessage.bind(this)
     this.worker.onerror = this.handleWorkerError.bind(this)
   }